Table 2.
Preoperative severity of joint problems (OHS in hip replacement/OKS in knee replacement) separated by functional status and pain according to chronic diseases (adjusted according to age, sex, ethnicity, SES and other chronic diseases)
| Chronic disease | Hip replacement OHS |
Knee replacement OKS |
||||||
|---|---|---|---|---|---|---|---|---|
| Total (0 worse and 48 best) | Functional status (0 worst 24 best) | Pain (0 worst 24 best) | Total (0 worse and 48 best) | Functional status (0 worse and 28 best) | Pain (0 worse 20 best) | |||
| Mean score | Adjusted difference (95% CI) | Adjusted difference (95% CI) | Adjusted difference (95% CI) | Mean score | Adjusted difference (95% CI) | Adjusted difference (95% CI) | Adjusted difference (95% CI) | |
| Heart disease | ||||||||
| No | 17.7 | – | – | – | 18.4 | – | – | – |
| Yes | 16.0 | −1.29 (−1.37, −1.21) | −0.68 (−0.72, − 0.64) | − 0.61 (− 0.65, − 0.57) | 17.6 | − 1.05 (− 1.12, − 0.98) | − 0.70 (− 0.74, − 0.66) | − 0.35 (− 0.38, − 0.32) |
| High blood pressure | ||||||||
| No | 18.2 | – | – | – | 18.9 | – | – | – |
| Yes | 16.5 | − 1.22 (− 1.29, − 1.17) | − 0.69 (− 0.73, − 0.66) | − 0.54 (− 0.57, − 0.50) | 17.8 | − 0.87 (− 0.92, − 0.81) | − 0.59 (− 0.62, − 0.55) | −0.28 (− 0.31, − 0.26) |
| Stroke | ||||||||
| No | 17.4 | – | – | – | 18.3 | – | – | – |
| Yes | 14.5 | −1.39 (− 1.67, − 1.10) | −0.81 (− 0.96, − 0.66) | −0.57 (− 0.72, − 0.43) | 16.2 | −1.15 (− 1.40, − 0.89) | − 0.84 (− 1.00, − 0.68) | −0.30 (− 0.41, − 0.19) |
| Leg pain due to poor circulation | ||||||||
| No | 17.4 | – | – | – | 18.3 | – | – | – |
| Yes | 15.3 | −1.28 (− 1.50, − 1.06) | −0.62 (− 0.74, − 0.50) | −0.66 (− 0.78, − 0.55) | 17.4 | −0.83 (− 1.05, − 0.62) | −0.59 (− 0.73, − 0.46) | −0.24 (− 0.33, − 0.15) |
| Lung Disease | ||||||||
| No | 17.7 | – | – | – | 18.6 | – | – | – |
| Yes | 15.6 | −1.49 (− 1.57, − 1.41) | − 0.70, (− 0.75, − 0.66) | −0.79 (− 0.83, − 0.75) | 16.7 | − 1.21 (− 1.28, − 1.14) | − 0.78 (− 0.83, − 0.74) | −0.43 (− 0.46, − 0.40) |
| Diabetes | ||||||||
| No | 17.6 | – | – | – | 18.5 | – | – | – |
| Yes | 15.7 | −1.31 (− 1.41, − 1.21) | −0.72 (− 0.77, − 0.67) | −0.59 (− 0.64, − 0.53) | 16.8 | −1.26 (− 1.34, − 1.18) | − 0.84 (− 0.89, − 0.79) | −0.42 (− 0.45, − 0.38) |
| Kidney Disease | ||||||||
| No | 17.5 | – | – | – | 18.3 | – | – | – |
| Yes | 15.3 | −1.06 (− 1.19, −0.93) | −0.60 (− 0.67, − 0.53) | −0.46 (− 0.53, − 0.39) | 17.1 | −0.82 (− 0.94, − 0.71) | −0.57 (− 0.65, − 0.50) | −0.25 (− 0.30, − 0.20) |
| Diseases of the Nervous System | ||||||||
| No | 17.5 | – | – | – | 18.4 | – | – | – |
| Yes | 14.4 | −2.49 (− 2.66, − 2.31) | − 1.48 (− 1.57, − 1.39) | −1.01 (− 1.10, − 0.91) | 15.5 | −2.58 (− 2.73, − 2.42) | − 1.87 (− 1.96, − 1.77) | −0.71 (− 0.78, − 0.65) |
| Liver Disease | ||||||||
| No | 17.4 | – | – | – | 18.3 | – | – | – |
| Yes | 14.0 | −2.29 (− 2.65, − 1.93) | −1.28 (− 1.48, − 1.08) | −1.01 (− 1.20, − 0.82) | 16.9 | −1.30 (− 1.64, − 0.97) | − 0.90 (− 1.11, − 0.69) | −0.41 (− 0.55, − 0.26) |
| Cancer | ||||||||
| No | 17.4 | – | – | – | 18.3 | – | – | – |
| Yes | 16.4 | −1.22 (− 1.42, − 1.03) | −0.72 (− 0.83, − 0.61) | −0.50 (− 0.61, − 0.40) | 18.6 | −0.46 (− 0.66, − 0.26) | −0.35 (− 0.48, − 0.22) | −0.11 (− 0.20, − 0.03) |
| Depression | ||||||||
| No | 17.5 | – | – | – | 18.4 | – | – | – |
| Yes | 14.6 | −2.07 (− 2.21, − 1.93) | −1.12 (− 1.19, − 1.04) | −0.95 (− 1.03, − 0.88) | 15.3 | −1.98 (− 2.10, − 1.85) | −1.31 (− 1.38, − 1.23) | − 0.67 (− 0.73, − 0.62) |